*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Parts of this file were imported from Jens Axboe's blktrace sources (also GPL)
*/
#include <time.h>
#include <math.h>
#include <getopt.h>
+#include <limits.h>
+#include <float.h>
+#include <signal.h>
#include "plot.h"
#include "blkparse.h"
#include "list.h"
#include "tracers.h"
+#include "mpstat.h"
+#include "fio.h"
LIST_HEAD(all_traces);
+LIST_HEAD(fio_traces);
-static int color_index = 0;
-char *colors[] = {
- "blue", "darkgreen",
- "red", "aqua",
- "orange", "darkviolet",
- "brown", "#00FF00",
- "yellow", "coral",
- "black", "darkred",
- "fuchsia", "crimson",
- NULL };
+static char line[1024];
+static int line_len = 1024;
+static int found_mpstat = 0;
+static int make_movie = 0;
+static int keep_movie_svgs = 0;
+static int opt_graph_width = 0;
+static int opt_graph_height = 0;
-char *pick_color(void) {
- char *ret = colors[color_index];
- if (!ret) {
- color_index = 0;
- ret = colors[color_index];
- }
- color_index++;
- return ret;
-}
+static int columns = 1;
+static int num_xticks = 9;
+static int num_yticks = 4;
-char *pick_cpu_color(void) {
- char *ret = colors[color_index];
- if (!ret) {
- color_index = 0;
- ret = colors[color_index];
- }
- color_index++;
- return ret;
-}
+static double min_time = 0;
+static double max_time = DBL_MAX;
+static unsigned long long min_mb = 0;
+static unsigned long long max_mb = ULLONG_MAX >> 20;
+
+int plot_io_action = 0;
+int io_per_process = 0;
+unsigned int longest_proc_name = 0;
+
+/*
+ * this doesn't include the IO graph,
+ * but it counts the other graphs as they go out
+ */
+static int total_graphs_written = 1;
enum {
IO_GRAPH_INDEX = 0,
TPUT_GRAPH_INDEX,
+ FIO_GRAPH_INDEX,
+ CPU_SYS_GRAPH_INDEX,
+ CPU_IO_GRAPH_INDEX,
+ CPU_IRQ_GRAPH_INDEX,
+ CPU_SOFT_GRAPH_INDEX,
+ CPU_USER_GRAPH_INDEX,
LATENCY_GRAPH_INDEX,
QUEUE_DEPTH_GRAPH_INDEX,
IOPS_GRAPH_INDEX,
TOTAL_GRAPHS
};
+enum {
+ MPSTAT_SYS = 0,
+ MPSTAT_IRQ,
+ MPSTAT_IO,
+ MPSTAT_SOFT,
+ MPSTAT_USER,
+ MPSTAT_GRAPHS
+};
+
static char *graphs_by_name[] = {
"io",
"tput",
+ "fio",
+ "cpu-sys",
+ "cpu-io",
+ "cpu-irq",
+ "cpu-soft",
+ "cpu-user",
"latency",
"queue-depth",
"iops",
};
+enum {
+ MOVIE_SPINDLE,
+ MOVIE_RECT,
+ NUM_MOVIE_STYLES,
+};
+
+char *movie_styles[] = {
+ "spindle",
+ "rect",
+ NULL
+};
+
+static int movie_style = 0;
+
+static int lookup_movie_style(char *str)
+{
+ int i;
+
+ for (i = 0; i < NUM_MOVIE_STYLES; i++) {
+ if (strcmp(str, movie_styles[i]) == 0)
+ return i;
+ }
+ return -1;
+}
+
static int active_graphs[TOTAL_GRAPHS];
static int last_active_graph = IOPS_GRAPH_INDEX;
static int label_index = 0;
static int num_traces = 0;
+static int num_fio_traces = 0;
static int longest_label = 0;
-struct trace_file {
- struct list_head list;
- char *filename;
- char *label;
- struct trace *trace;
- int seconds;
- int stop_seconds;
- u64 max_offset;
-
- char *read_color;
- char *write_color;
-
- struct graph_line_data *tput_gld;
- struct graph_line_data *iop_gld;
- struct graph_line_data *latency_gld;
- struct graph_line_data *queue_depth_gld;
- struct graph_dot_data *gdd_writes;
- struct graph_dot_data *gdd_reads;
-};
+static char *graph_title = "";
+static char *output_filename = "trace.svg";
+static char *blktrace_devices[MAX_DEVICES_PER_TRACE];
+static int num_blktrace_devices = 0;
+static char *blktrace_outfile = "trace";
+static char *blktrace_dest_dir = ".";
+static char **prog_argv = NULL;
+static int prog_argc = 0;
+static char *ffmpeg_codec = "libx264";
+
+static void alloc_mpstat_gld(struct trace_file *tf)
+{
+ struct graph_line_data **ptr;
+
+ if (tf->trace->mpstat_num_cpus == 0)
+ return;
+
+ ptr = calloc((tf->trace->mpstat_num_cpus + 1) * MPSTAT_GRAPHS,
+ sizeof(struct graph_line_data *));
+ if (!ptr) {
+ perror("Unable to allocate mpstat arrays\n");
+ exit(1);
+ }
+ tf->mpstat_gld = ptr;
+}
static void enable_all_graphs(void)
{
return -ENOENT;
}
+static int graphs_left(int cur)
+{
+ int i;
+ int left = 0;
+ for (i = cur; i < TOTAL_GRAPHS; i++) {
+ if (active_graphs[i])
+ left++;
+ }
+ return left;
+}
+
+static char * join_path(char *dest_dir, char *filename)
+{
+ /* alloc 2 extra bytes for '/' and '\0' */
+ char *path = malloc(strlen(dest_dir) + strlen(filename) + 2);
+ sprintf(path, "%s%s%s", dest_dir, "/", filename);
+
+ return path;
+}
+
static void add_trace_file(char *filename)
{
struct trace_file *tf;
fprintf(stderr, "Unable to allocate memory\n");
exit(1);
}
+ tf->label = "";
tf->filename = strdup(filename);
list_add_tail(&tf->list, &all_traces);
- tf->read_color = pick_color();
- tf->write_color = pick_color();
+ tf->line_color = "black";
num_traces++;
}
+static void add_fio_trace_file(char *filename)
+{
+ struct trace_file *tf;
+
+ tf = calloc(1, sizeof(*tf));
+ if (!tf) {
+ fprintf(stderr, "Unable to allocate memory\n");
+ exit(1);
+ }
+ tf->label = "";
+ tf->filename = strdup(filename);
+ list_add_tail(&tf->list, &fio_traces);
+ tf->line_color = pick_fio_color();
+ tf->fio_trace = 1;
+ num_fio_traces++;
+}
+
static void setup_trace_file_graphs(void)
{
struct trace_file *tf;
+ int i;
+ int alloc_ptrs;
+
+ if (io_per_process)
+ alloc_ptrs = 16;
+ else
+ alloc_ptrs = 1;
list_for_each_entry(tf, &all_traces, list) {
- tf->tput_gld = alloc_line_data(tf->seconds, tf->stop_seconds);
- tf->latency_gld = alloc_line_data(tf->seconds, tf->stop_seconds);
- tf->queue_depth_gld = alloc_line_data(tf->seconds, tf->stop_seconds);
- tf->iop_gld = alloc_line_data(tf->seconds, tf->stop_seconds);
- tf->gdd_writes = alloc_dot_data(tf->seconds, tf->max_offset, tf->stop_seconds);
- tf->gdd_reads = alloc_dot_data(tf->seconds, tf->max_offset, tf->stop_seconds);
+ tf->tput_reads_gld = alloc_line_data(tf->min_seconds, tf->max_seconds, tf->stop_seconds);
+ tf->tput_writes_gld = alloc_line_data(tf->min_seconds, tf->max_seconds, tf->stop_seconds);
+ tf->latency_gld = alloc_line_data(tf->min_seconds, tf->max_seconds, tf->stop_seconds);
+ tf->queue_depth_gld = alloc_line_data(tf->min_seconds, tf->max_seconds, tf->stop_seconds);
+
+ tf->iop_gld = alloc_line_data(tf->min_seconds, tf->max_seconds, tf->stop_seconds);
+ tf->gdd_writes = calloc(alloc_ptrs, sizeof(struct graph_dot_data *));
+ tf->gdd_reads = calloc(alloc_ptrs, sizeof(struct graph_dot_data *));
+ tf->io_plots_allocated = alloc_ptrs;
+
+ if (tf->trace->mpstat_num_cpus == 0)
+ continue;
+
+ alloc_mpstat_gld(tf);
+ for (i = 0; i < (tf->trace->mpstat_num_cpus + 1) * MPSTAT_GRAPHS; i++) {
+ tf->mpstat_gld[i] =
+ alloc_line_data(tf->mpstat_min_seconds,
+ tf->mpstat_max_seconds,
+ tf->mpstat_max_seconds);
+ tf->mpstat_gld[i]->max = 100;
+ }
+ }
+
+ list_for_each_entry(tf, &fio_traces, list) {
+ if (tf->trace->fio_seconds > 0) {
+ tf->fio_gld = alloc_line_data(tf->min_seconds,
+ tf->max_seconds,
+ tf->stop_seconds);
+ }
}
+
}
static void read_traces(void)
u64 last_time;
u64 ymin;
u64 ymax;
+ u64 max_bank;
+ u64 max_bank_offset;
+ char *path = NULL;
list_for_each_entry(tf, &all_traces, list) {
- trace = open_trace(tf->filename);
+ path = join_path(blktrace_dest_dir, tf->filename);
+
+ trace = open_trace(path);
if (!trace)
exit(1);
last_time = find_last_time(trace);
tf->trace = trace;
- tf->seconds = SECONDS(last_time);
- tf->stop_seconds = SECONDS(last_time);
- tf->max_offset = find_highest_offset(trace);
+ tf->max_seconds = SECONDS(last_time) + 1;
+ tf->stop_seconds = SECONDS(last_time) + 1;
- filter_outliers(trace, tf->max_offset, &ymin, &ymax);
+ find_extreme_offsets(trace, &tf->min_offset, &tf->max_offset,
+ &max_bank, &max_bank_offset);
+ filter_outliers(trace, tf->min_offset, tf->max_offset, &ymin, &ymax);
+ tf->min_offset = ymin;
tf->max_offset = ymax;
+
+ read_mpstat(trace, path);
+ tf->mpstat_stop_seconds = trace->mpstat_seconds;
+ tf->mpstat_max_seconds = trace->mpstat_seconds;
+ if (tf->mpstat_max_seconds)
+ found_mpstat = 1;
+
+ free(path);
+ }
+
+ list_for_each_entry(tf, &fio_traces, list) {
+ trace = open_fio_trace(tf->filename);
+ if (!trace)
+ exit(1);
+ tf->trace = trace;
+ tf->max_seconds = tf->trace->fio_seconds;
+ tf->stop_seconds = tf->trace->fio_seconds;
+ }
+}
+
+static void pick_line_graph_color(void)
+{
+ struct trace_file *tf;
+ int i;
+
+ list_for_each_entry(tf, &all_traces, list) {
+ for (i = 0; i < tf->io_plots; i++) {
+ if (tf->gdd_reads[i]) {
+ tf->line_color = tf->gdd_reads[i]->color;
+ tf->reads_color = tf->gdd_reads[i]->color;
+ }
+ if (tf->gdd_writes[i]) {
+ tf->line_color = tf->gdd_writes[i]->color;
+ tf->writes_color = tf->gdd_writes[i]->color;
+ }
+ if (tf->writes_color && tf->reads_color)
+ break;
+ }
+ if (!tf->reads_color)
+ tf->reads_color = tf->line_color;
+ if (!tf->writes_color)
+ tf->writes_color = tf->line_color;
+ }
+}
+
+static void read_fio_events(struct trace_file *tf)
+{
+ u64 bw = 0;
+ int time = 0;
+ int dir = 0;
+ int ret;
+
+ first_fio(tf->trace);
+ while (1) {
+ ret = read_fio_event(tf->trace, &time, &bw, &dir);
+ if (ret)
+ break;
+
+ if (dir <= 1)
+ add_fio_gld(time, bw, tf->fio_gld);
+ if (next_fio_line(tf->trace))
+ break;
}
}
struct trace_file *tf;
struct trace *trace;
int ret;
+ int i;
+ unsigned int time;
+ double user, sys, iowait, irq, soft;
+ double max_user = 0, max_sys = 0, max_iowait = 0,
+ max_irq = 0, max_soft = 0;
+
+ list_for_each_entry(tf, &fio_traces, list)
+ read_fio_events(tf);
list_for_each_entry(tf, &all_traces, list) {
trace = tf->trace;
+
first_record(trace);
- while (1) {
+ do {
+ if (SECONDS(get_record_time(trace)) > tf->max_seconds)
+ continue;
check_record(trace);
- add_tput(trace, tf->tput_gld);
+ add_tput(trace, tf->tput_writes_gld, tf->tput_reads_gld);
add_iop(trace, tf->iop_gld);
- add_io(trace, tf->gdd_writes, tf->gdd_reads);
+ add_io(trace, tf);
add_pending_io(trace, tf->queue_depth_gld);
add_completed_io(trace, tf->latency_gld);
- ret = next_record(trace);
- if (ret)
+ } while (!(ret = next_record(trace)));
+ }
+ list_for_each_entry(tf, &all_traces, list) {
+ trace = tf->trace;
+
+ if (trace->mpstat_num_cpus == 0)
+ continue;
+
+ first_mpstat(trace);
+
+ for (time = 0; time < tf->mpstat_stop_seconds; time++) {
+ for (i = 0; i < (trace->mpstat_num_cpus + 1) * MPSTAT_GRAPHS; i += MPSTAT_GRAPHS) {
+ ret = read_mpstat_event(trace, &user, &sys,
+ &iowait, &irq, &soft);
+ if (ret)
+ goto mpstat_done;
+ if (next_mpstat_line(trace))
+ goto mpstat_done;
+
+ if (sys > max_sys)
+ max_sys = sys;
+ if (user > max_user)
+ max_user = user;
+ if (irq > max_irq)
+ max_irq = irq;
+ if (iowait > max_iowait)
+ max_iowait = iowait;
+
+ add_mpstat_gld(time, sys, tf->mpstat_gld[i + MPSTAT_SYS]);
+ add_mpstat_gld(time, irq, tf->mpstat_gld[i + MPSTAT_IRQ]);
+ add_mpstat_gld(time, soft, tf->mpstat_gld[i + MPSTAT_SOFT]);
+ add_mpstat_gld(time, user, tf->mpstat_gld[i + MPSTAT_USER]);
+ add_mpstat_gld(time, iowait, tf->mpstat_gld[i + MPSTAT_IO]);
+ }
+ if (next_mpstat(trace) == NULL)
break;
}
}
+
+mpstat_done:
+ list_for_each_entry(tf, &all_traces, list) {
+ trace = tf->trace;
+
+ if (trace->mpstat_num_cpus == 0)
+ continue;
+
+ tf->mpstat_gld[MPSTAT_SYS]->max = max_sys;
+ tf->mpstat_gld[MPSTAT_IRQ]->max = max_irq;
+ tf->mpstat_gld[MPSTAT_SOFT]->max = max_soft;
+ tf->mpstat_gld[MPSTAT_USER]->max = max_user;
+ tf->mpstat_gld[MPSTAT_IO]->max = max_iowait;;
+ }
+ return;
}
static void set_trace_label(char *label)
longest_label = len;
list_for_each_entry(tf, &all_traces, list) {
+ if (cur == label_index) {
+ tf->label = strdup(label);
+ label_index++;
+ return;
+ break;
+ }
+ cur++;
+ }
+ list_for_each_entry(tf, &fio_traces, list) {
if (cur == label_index) {
tf->label = strdup(label);
label_index++;
}
}
-static char *graph_title = "";
-static char *output_filename = "trace.svg";
-static char *blktrace_device = NULL;
-static char *blktrace_outfile = "trace";
-static char *blktrace_dest_dir = ".";
-static char *program_to_run = NULL;
-
static void set_blktrace_outfile(char *arg)
{
char *s = strdup(arg);
}
-char *option_string = "hT:t:o:l:r:O:N:d:p:";
-static struct option long_options[] = {
- {"title", required_argument, 0, 'T'},
- {"trace", required_argument, 0, 't'},
- {"output", required_argument, 0, 'o'},
- {"label", required_argument, 0, 'l'},
- {"rolling", required_argument, 0, 'r'},
- {"no-graph", required_argument, 0, 'N'},
- {"only-graph", required_argument, 0, 'O'},
- {"device", required_argument, 0, 'd'},
- {"prog", required_argument, 0, 'p'},
- {"help", required_argument, 0, 'h'},
- {0, 0, 0, 0}
-};
+static void compare_minmax_tf(struct trace_file *tf, unsigned int *max_seconds,
+ u64 *min_offset, u64 *max_offset)
+{
+ if (tf->max_seconds > *max_seconds)
+ *max_seconds = tf->max_seconds;
+ if (tf->max_offset > *max_offset)
+ *max_offset = tf->max_offset;
+ if (tf->min_offset < *min_offset)
+ *min_offset = tf->min_offset;
+}
-static void print_usage(void)
+static void set_all_minmax_tf(unsigned int min_seconds,
+ unsigned int max_seconds,
+ u64 min_offset, u64 max_offset)
{
- fprintf(stderr, "iowatcher usage:\n"
- "\t-d (--device): device for blktrace to trace\n"
- "\t-t (--trace): trace file name (more than one allowed)\n"
- "\t-l (--label): trace label in the graph\n"
- "\t-o (--output): output file name (SVG only)\n"
- "\t-p (--prog): program to run while blktrace is run\n"
- "\t-r (--rolling): number of seconds in the rolling averge\n"
- "\t-T (--title): graph title\n"
- "\t-N (--no-graph): skip a single graph (io, tput, latency, queue_depth, iops)\n"
- "\t-O (--only-graph): add a single graph (io, tput, latency, queue_depth, iops)\n"
- );
- exit(1);
+ struct trace_file *tf;
+ struct list_head *traces = &all_traces;
+again:
+ list_for_each_entry(tf, traces, list) {
+ tf->min_seconds = min_seconds;
+ tf->max_seconds = max_seconds;
+ if (tf->stop_seconds > max_seconds)
+ tf->stop_seconds = max_seconds;
+ if (tf->mpstat_max_seconds) {
+ tf->mpstat_min_seconds = min_seconds;
+ tf->mpstat_max_seconds = max_seconds;
+ if (tf->mpstat_stop_seconds > max_seconds)
+ tf->mpstat_stop_seconds = max_seconds;
+ }
+ tf->min_offset = min_offset;
+ tf->max_offset = max_offset;
+ }
+ if (traces == &all_traces) {
+ traces = &fio_traces;
+ goto again;
+ }
}
-static int parse_options(int ac, char **av)
+static struct pid_plot_history *alloc_pid_plot_history(char *color)
{
- int c;
- int disabled = 0;
+ struct pid_plot_history *pph;
- while (1) {
- // int this_option_optind = optind ? optind : 1;
- int option_index = 0;
+ pph = calloc(1, sizeof(struct pid_plot_history));
+ if (!pph) {
+ perror("memory allocation failed");
+ exit(1);
+ }
+ pph->history = malloc(sizeof(double) * 4096);
+ if (!pph->history) {
+ perror("memory allocation failed");
+ exit(1);
+ }
+ pph->history_len = 4096;
+ pph->color = color;
- c = getopt_long(ac, av, option_string,
- long_options, &option_index);
+ return pph;
+}
- if (c == -1)
- break;
+static struct plot_history *alloc_plot_history(struct trace_file *tf)
+{
+ struct plot_history *ph = calloc(1, sizeof(struct plot_history));
+ int i;
- switch(c) {
- case 'h':
- print_usage();
- break;
- case 'T':
- graph_title = strdup(optarg);
- break;
- case 't':
- add_trace_file(optarg);
- set_blktrace_outfile(optarg);
- break;
- case 'o':
- output_filename = strdup(optarg);
- break;
- case 'l':
- set_trace_label(optarg);
- break;
- case 'r':
- set_rolling_avg(atoi(optarg));
- break;
- case 'O':
- if (!disabled) {
- disable_all_graphs();
- disabled = 1;
+ if (!ph) {
+ perror("memory allocation failed");
+ exit(1);
+ }
+ ph->read_pid_history = calloc(tf->io_plots, sizeof(struct pid_plot_history *));
+ if (!ph->read_pid_history) {
+ perror("memory allocation failed");
+ exit(1);
+ }
+ ph->write_pid_history = calloc(tf->io_plots, sizeof(struct pid_plot_history *));
+ if (!ph->write_pid_history) {
+ perror("memory allocation failed");
+ exit(1);
+ }
+ ph->pid_history_count = tf->io_plots;
+ for (i = 0; i < tf->io_plots; i++) {
+ if (tf->gdd_reads[i])
+ ph->read_pid_history[i] = alloc_pid_plot_history(tf->gdd_reads[i]->color);
+ if (tf->gdd_writes[i])
+ ph->write_pid_history[i] = alloc_pid_plot_history(tf->gdd_writes[i]->color);
+ }
+ return ph;
+}
+
+LIST_HEAD(movie_history);
+int num_histories = 0;
+
+static void free_plot_history(struct plot_history *ph)
+{
+ int pid;
+
+ for (pid = 0; pid < ph->pid_history_count; pid++) {
+ if (ph->read_pid_history[pid])
+ free(ph->read_pid_history[pid]);
+ if (ph->write_pid_history[pid])
+ free(ph->write_pid_history[pid]);
+ }
+ free(ph->read_pid_history);
+ free(ph->write_pid_history);
+ free(ph);
+}
+
+static void add_history(struct plot_history *ph, struct list_head *list)
+{
+ struct plot_history *entry;
+
+ list_add_tail(&ph->list, list);
+ num_histories++;
+
+ if (num_histories > 12) {
+ num_histories--;
+ entry = list_entry(list->next, struct plot_history, list);
+ list_del(&entry->list);
+ free_plot_history(entry);
+ }
+}
+
+static void plot_movie_history(struct plot *plot, struct list_head *list)
+{
+ struct plot_history *ph;
+ int pid;
+
+ if (num_histories > 2)
+ rewind_spindle_steps(num_histories - 1);
+
+ list_for_each_entry(ph, list, list) {
+ for (pid = 0; pid < ph->pid_history_count; pid++) {
+ if (ph->read_pid_history[pid]) {
+ if (movie_style == MOVIE_SPINDLE) {
+ svg_io_graph_movie_array_spindle(plot,
+ ph->read_pid_history[pid]);
+ } else {
+ svg_io_graph_movie_array(plot,
+ ph->read_pid_history[pid]);
+ }
+ }
+ if (ph->write_pid_history[pid]) {
+ if (movie_style == MOVIE_SPINDLE) {
+ svg_io_graph_movie_array_spindle(plot,
+ ph->write_pid_history[pid]);
+ } else {
+ svg_io_graph_movie_array(plot,
+ ph->write_pid_history[pid]);
+ }
}
- enable_one_graph(optarg);
- break;
- case 'N':
- disable_one_graph(optarg);
- break;
- case 'd':
- blktrace_device = strdup(optarg);
- break;
- case 'p':
- program_to_run = strdup(optarg);
- break;
- case '?':
- print_usage();
- break;
- default:
- break;
}
- }
- return 0;
+ }
}
-static void compare_max_tf(struct trace_file *tf, int *seconds, u64 *max_offset)
+static void free_all_plot_history(struct list_head *head)
{
- if (tf->seconds > *seconds)
- *seconds = tf->seconds;
- if (tf->max_offset > *max_offset)
- *max_offset = tf->max_offset;
+ struct plot_history *entry;
+
+ while (!list_empty(head)) {
+ entry = list_entry(head->next, struct plot_history, list);
+ list_del(&entry->list);
+ free_plot_history(entry);
+ }
}
-static void set_all_max_tf(int seconds, u64 max_offset)
+static int count_io_plot_types(void)
{
struct trace_file *tf;
+ int i;
+ int total_io_types = 0;
list_for_each_entry(tf, &all_traces, list) {
- tf->seconds = seconds;
- tf->max_offset = max_offset;
+ for (i = 0; i < tf->io_plots; i++) {
+ if (tf->gdd_reads[i])
+ total_io_types++;
+ if (tf->gdd_writes[i])
+ total_io_types++;
+ }
+ }
+ return total_io_types;
+}
+
+static void plot_io_legend(struct plot *plot, struct graph_dot_data *gdd, char *prefix, char *rw)
+{
+ int ret = 0;
+ char *label = NULL;
+ if (io_per_process)
+ ret = asprintf(&label, "%s %s", prefix, gdd->label);
+ else
+ ret = asprintf(&label, "%s", prefix);
+ if (ret < 0) {
+ perror("Failed to process labels");
+ exit(1);
}
+ svg_add_legend(plot, label, rw, gdd->color);
+ free(label);
}
-static void plot_io(struct plot *plot, int seconds, u64 max_offset)
+static void plot_io(struct plot *plot, unsigned int min_seconds,
+ unsigned int max_seconds, u64 min_offset, u64 max_offset)
{
struct trace_file *tf;
+ int i;
if (active_graphs[IO_GRAPH_INDEX] == 0)
return;
- plot->add_xlabel = last_active_graph == IO_GRAPH_INDEX;
setup_axis(plot);
- svg_alloc_legend(plot, num_traces * 2);
+ svg_alloc_legend(plot, count_io_plot_types() * 2);
set_plot_label(plot, "Device IO");
set_ylabel(plot, "Offset (MB)");
- set_yticks(plot, 4, 0, max_offset / (1024 * 1024), "");
- set_xticks(plot, 9, 0, seconds);
+ set_yticks(plot, num_yticks, min_offset / (1024 * 1024),
+ max_offset / (1024 * 1024), "");
+ set_xticks(plot, num_xticks, min_seconds, max_seconds);
list_for_each_entry(tf, &all_traces, list) {
- char *label = tf->label;
+ char *prefix = tf->label ? tf->label : "";
- if (!label)
- label = "";
- svg_io_graph(plot, tf->gdd_reads, tf->read_color);
- if (tf->gdd_reads->total_ios)
- svg_add_legend(plot, label, " Reads", tf->read_color);
-
- svg_io_graph(plot, tf->gdd_writes, tf->write_color);
- if (tf->gdd_writes->total_ios) {
- svg_add_legend(plot, label, " Writes", tf->write_color);
+ for (i = 0; i < tf->io_plots; i++) {
+ if (tf->gdd_writes[i]) {
+ svg_io_graph(plot, tf->gdd_writes[i]);
+ plot_io_legend(plot, tf->gdd_writes[i], prefix, " Writes");
+ }
+ if (tf->gdd_reads[i]) {
+ svg_io_graph(plot, tf->gdd_reads[i]);
+ plot_io_legend(plot, tf->gdd_reads[i], prefix, " Reads");
+ }
}
}
if (plot->add_xlabel)
close_plot(plot);
}
-static void plot_tput(struct plot *plot, int seconds)
+static void plot_tput(struct plot *plot, unsigned int min_seconds,
+ unsigned int max_seconds, int with_legend)
{
struct trace_file *tf;
char *units;
char line[128];
- u64 max = 0;
+ u64 max = 0, val;
if (active_graphs[TPUT_GRAPH_INDEX] == 0)
return;
- if (num_traces > 1)
- svg_alloc_legend(plot, num_traces);
+ if (with_legend)
+ svg_alloc_legend(plot, num_traces * 2);
+
list_for_each_entry(tf, &all_traces, list) {
- if (tf->tput_gld->max > max)
- max = tf->tput_gld->max;
+ val = line_graph_roll_avg_max(tf->tput_writes_gld);
+ if (val > max)
+ max = val;
+ val = line_graph_roll_avg_max(tf->tput_reads_gld);
+ if (val > max)
+ max = val;
+ }
+ list_for_each_entry(tf, &all_traces, list) {
+ if (tf->tput_writes_gld->max > 0)
+ tf->tput_writes_gld->max = max;
+ if (tf->tput_reads_gld->max > 0)
+ tf->tput_reads_gld->max = max;
}
- list_for_each_entry(tf, &all_traces, list)
- tf->tput_gld->max = max;
- plot->add_xlabel = last_active_graph == TPUT_GRAPH_INDEX;
setup_axis(plot);
set_plot_label(plot, "Throughput");
scale_line_graph_bytes(&max, &units, 1024);
sprintf(line, "%sB/s", units);
set_ylabel(plot, line);
- set_yticks(plot, 4, 0, max, "");
- set_xticks(plot, 9, 0, seconds);
+ set_yticks(plot, num_yticks, 0, max, "");
+ set_xticks(plot, num_xticks, min_seconds, max_seconds);
list_for_each_entry(tf, &all_traces, list) {
- svg_line_graph(plot, tf->tput_gld, tf->read_color);
- if (num_traces > 1)
- svg_add_legend(plot, tf->label, "", tf->read_color);
+ if (tf->tput_writes_gld->max > 0) {
+ svg_line_graph(plot, tf->tput_writes_gld, tf->writes_color, 0, 0);
+ if (with_legend)
+ svg_add_legend(plot, tf->label, "Writes", tf->writes_color);
+ }
+ if (tf->tput_reads_gld->max > 0) {
+ svg_line_graph(plot, tf->tput_reads_gld, tf->reads_color, 0, 0);
+ if (with_legend)
+ svg_add_legend(plot, tf->label, "Reads", tf->reads_color);
+ }
}
if (plot->add_xlabel)
set_xlabel(plot, "Time (seconds)");
- if (num_traces > 1)
+
+ if (with_legend)
svg_write_legend(plot);
+
close_plot(plot);
+ total_graphs_written++;
}
-static void plot_latency(struct plot *plot, int seconds)
+static void plot_fio_tput(struct plot *plot,
+ unsigned int min_seconds, unsigned int max_seconds)
{
struct trace_file *tf;
char *units;
char line[128];
- u64 max = 0;
+ u64 max = 0, val;
- if (active_graphs[LATENCY_GRAPH_INDEX] == 0)
+ if (num_fio_traces == 0 || active_graphs[FIO_GRAPH_INDEX] == 0)
return;
- if (num_traces > 1)
- svg_alloc_legend(plot, num_traces);
- list_for_each_entry(tf, &all_traces, list) {
- if (tf->latency_gld->max > max)
- max = tf->latency_gld->max;
+ if (num_fio_traces > 1)
+ svg_alloc_legend(plot, num_fio_traces);
+
+ list_for_each_entry(tf, &fio_traces, list) {
+ val = line_graph_roll_avg_max(tf->fio_gld);
+ if (val > max)
+ max = val;
+ }
+
+ list_for_each_entry(tf, &fio_traces, list) {
+ if (tf->fio_gld->max > 0)
+ tf->fio_gld->max = max;
}
- list_for_each_entry(tf, &all_traces, list)
- tf->latency_gld->max = max;
- plot->add_xlabel = last_active_graph == TPUT_GRAPH_INDEX;
setup_axis(plot);
- set_plot_label(plot, "IO Latency");
+ set_plot_label(plot, "Fio Throughput");
tf = list_entry(all_traces.next, struct trace_file, list);
- scale_line_graph_time(&max, &units);
- sprintf(line, "latency (%ss)", units);
+ scale_line_graph_bytes(&max, &units, 1024);
+ sprintf(line, "%sB/s", units);
set_ylabel(plot, line);
- set_yticks(plot, 4, 0, max, "");
- set_xticks(plot, 9, 0, seconds);
+ set_yticks(plot, num_yticks, 0, max, "");
+
+ set_xticks(plot, num_xticks, min_seconds, max_seconds);
+ list_for_each_entry(tf, &fio_traces, list) {
+ if (tf->fio_gld->max > 0) {
+ svg_line_graph(plot, tf->fio_gld, tf->line_color, 0, 0);
+ if (num_fio_traces > 1)
+ svg_add_legend(plot, tf->label, "", tf->line_color);
+ }
+ }
+
+ if (plot->add_xlabel)
+ set_xlabel(plot, "Time (seconds)");
+
+ if (num_fio_traces > 1)
+ svg_write_legend(plot);
+ close_plot(plot);
+ total_graphs_written++;
+}
+
+static void plot_cpu(struct plot *plot, unsigned int max_seconds, char *label,
+ int active_index, int gld_index)
+{
+ struct trace_file *tf;
+ int max = 0;
+ int i;
+ unsigned int gld_i;
+ char *color;
+ double avg = 0;
+ int ymax;
+ int plotted = 0;
+
+ if (active_graphs[active_index] == 0)
+ return;
list_for_each_entry(tf, &all_traces, list) {
- svg_line_graph(plot, tf->latency_gld, tf->read_color);
- if (num_traces > 1)
- svg_add_legend(plot, tf->label, "", tf->read_color);
+ if (tf->trace->mpstat_num_cpus > max)
+ max = tf->trace->mpstat_num_cpus;
+ }
+ if (max == 0)
+ return;
+
+ tf = list_entry(all_traces.next, struct trace_file, list);
+
+ ymax = tf->mpstat_gld[gld_index]->max;
+ if (ymax == 0)
+ return;
+
+ svg_alloc_legend(plot, num_traces * max);
+
+ setup_axis(plot);
+ set_plot_label(plot, label);
+
+ max_seconds = tf->mpstat_max_seconds;
+
+ set_yticks(plot, num_yticks, 0, tf->mpstat_gld[gld_index]->max, "");
+ set_ylabel(plot, "Percent");
+ set_xticks(plot, num_xticks, tf->mpstat_min_seconds, max_seconds);
+
+ reset_cpu_color();
+ list_for_each_entry(tf, &all_traces, list) {
+ if (tf->mpstat_gld == 0)
+ break;
+ for (gld_i = tf->mpstat_gld[0]->min_seconds;
+ gld_i < tf->mpstat_gld[0]->stop_seconds; gld_i++) {
+ if (tf->mpstat_gld[gld_index]->data[gld_i].count) {
+ avg += (tf->mpstat_gld[gld_index]->data[gld_i].sum /
+ tf->mpstat_gld[gld_index]->data[gld_i].count);
+ }
+ }
+ avg /= tf->mpstat_gld[gld_index]->stop_seconds -
+ tf->mpstat_gld[gld_index]->min_seconds;
+ color = pick_cpu_color();
+ svg_line_graph(plot, tf->mpstat_gld[0], color, 0, 0);
+ svg_add_legend(plot, tf->label, " avg", color);
+
+ for (i = 1; i < tf->trace->mpstat_num_cpus + 1; i++) {
+ struct graph_line_data *gld = tf->mpstat_gld[i * MPSTAT_GRAPHS + gld_index];
+ double this_avg = 0;
+
+ for (gld_i = gld->min_seconds;
+ gld_i < gld->stop_seconds; gld_i++) {
+ if (gld->data[i].count) {
+ this_avg += gld->data[i].sum /
+ gld->data[i].count;
+ }
+ }
+
+ this_avg /= gld->stop_seconds - gld->min_seconds;
+
+ for (gld_i = gld->min_seconds;
+ gld_i < gld->stop_seconds; gld_i++) {
+ double val;
+
+ if (gld->data[gld_i].count == 0)
+ continue;
+ val = (double)gld->data[gld_i].sum /
+ gld->data[gld_i].count;
+
+ if (this_avg > avg + 30 || val > 95) {
+ color = pick_cpu_color();
+ svg_line_graph(plot, gld, color, avg + 30, 95);
+ snprintf(line, line_len, " CPU %d\n", i - 1);
+ svg_add_legend(plot, tf->label, line, color);
+ plotted++;
+ break;
+ }
+
+ }
+ }
}
if (plot->add_xlabel)
set_xlabel(plot, "Time (seconds)");
- if (num_traces > 1)
+
+ if (!plot->no_legend) {
svg_write_legend(plot);
+ svg_free_legend(plot);
+ }
close_plot(plot);
+ total_graphs_written++;
}
-static void plot_queue_depth(struct plot *plot, int seconds)
+static void plot_queue_depth(struct plot *plot, unsigned int min_seconds,
+ unsigned int max_seconds)
{
struct trace_file *tf;
+ u64 max = 0, val;
if (active_graphs[QUEUE_DEPTH_GRAPH_INDEX] == 0)
return;
- plot->add_xlabel = last_active_graph == QUEUE_DEPTH_GRAPH_INDEX;
-
setup_axis(plot);
set_plot_label(plot, "Queue Depth");
if (num_traces > 1)
svg_alloc_legend(plot, num_traces);
- tf = list_entry(all_traces.next, struct trace_file, list);
+ list_for_each_entry(tf, &all_traces, list) {
+ val = line_graph_roll_avg_max(tf->queue_depth_gld);
+ if (val > max)
+ max = val;
+ }
+
+ list_for_each_entry(tf, &all_traces, list)
+ tf->queue_depth_gld->max = max;
+
set_ylabel(plot, "Pending IO");
- set_yticks(plot, 4, 0, tf->queue_depth_gld->max, "");
- set_xticks(plot, 9, 0, seconds);
+ set_yticks(plot, num_yticks, 0, max, "");
+ set_xticks(plot, num_xticks, min_seconds, max_seconds);
list_for_each_entry(tf, &all_traces, list) {
- svg_line_graph(plot, tf->queue_depth_gld, tf->read_color);
+ svg_line_graph(plot, tf->queue_depth_gld, tf->line_color, 0, 0);
if (num_traces > 1)
- svg_add_legend(plot, tf->label, "", tf->read_color);
+ svg_add_legend(plot, tf->label, "", tf->line_color);
}
if (plot->add_xlabel)
if (num_traces > 1)
svg_write_legend(plot);
close_plot(plot);
+ total_graphs_written++;
+}
+
+static void system_check(const char *cmd)
+{
+ if (system(cmd) < 0) {
+ int err = errno;
+
+ fprintf(stderr, "system exec failed (%d): %s\n", err, cmd);
+ exit(1);
+ }
+}
+
+static void convert_movie_files(char *movie_dir)
+{
+ fprintf(stderr, "Converting svg files in %s\n", movie_dir);
+ snprintf(line, line_len, "find %s -name \\*.svg | xargs -I{} -n 1 -P 8 rsvg-convert -o {}.png {}",
+ movie_dir);
+ system_check(line);
}
-static void plot_iops(struct plot *plot, int seconds)
+static void mencode_movie(char *movie_dir)
+{
+ fprintf(stderr, "Creating movie %s with ffmpeg\n", movie_dir);
+ snprintf(line, line_len, "ffmpeg -r 20 -y -i %s/%%10d-%s.svg.png -b:v 250k "
+ "-vcodec %s %s", movie_dir, output_filename, ffmpeg_codec,
+ output_filename);
+ system_check(line);
+}
+
+static void tencode_movie(char *movie_dir)
+{
+ fprintf(stderr, "Creating movie %s with png2theora\n", movie_dir);
+ snprintf(line, line_len, "png2theora -o %s %s/%%010d-%s.svg.png",
+ output_filename, movie_dir, output_filename);
+ system_check(line);
+}
+
+static void encode_movie(char *movie_dir)
+{
+ char *last_dot = strrchr(output_filename, '.');
+
+ if (last_dot &&
+ (!strncmp(last_dot, ".ogg", 4) || !strncmp(last_dot, ".ogv", 4))) {
+ tencode_movie(movie_dir);
+ } else
+ mencode_movie(movie_dir);
+}
+
+static void cleanup_movie(char *movie_dir)
+{
+ if (keep_movie_svgs) {
+ fprintf(stderr, "Keeping movie dir %s\n", movie_dir);
+ return;
+ }
+ fprintf(stderr, "Removing movie dir %s\n", movie_dir);
+ snprintf(line, line_len, "rm %s/*", movie_dir);
+ system_check(line);
+
+ snprintf(line, line_len, "rmdir %s", movie_dir);
+ system_check(line);
+}
+
+static void plot_io_movie(struct plot *plot)
+{
+ struct trace_file *tf;
+ int i, pid;
+ struct plot_history *history;
+ int batch_i;
+ int movie_len = 30;
+ int movie_frames_per_sec = 20;
+ int total_frames = movie_len * movie_frames_per_sec;
+ int rows, cols;
+ int batch_count;
+ int graph_width_factor = 5;
+ int orig_y_offset;
+ char movie_dir[] = "io-movie-XXXXXX";
+
+ if (mkdtemp(movie_dir) == NULL) {
+ perror("Unable to create temp directory for movie files");
+ exit(1);
+ }
+
+ get_graph_size(&cols, &rows);
+ batch_count = cols / total_frames;
+
+ if (batch_count == 0)
+ batch_count = 1;
+
+ list_for_each_entry(tf, &all_traces, list) {
+ char *prefix = tf->label ? tf->label : "";
+
+ i = 0;
+ while (i < cols) {
+ snprintf(line, line_len, "%s/%010d-%s.svg", movie_dir, i, output_filename);
+ set_plot_output(plot, line);
+ set_plot_title(plot, graph_title);
+ orig_y_offset = plot->start_y_offset;
+
+ plot->no_legend = 1;
+
+ set_graph_size(cols / graph_width_factor, rows / 8);
+ plot->timeline = i / graph_width_factor;
+
+ plot_tput(plot, tf->min_seconds, tf->max_seconds, 0);
+
+ plot_cpu(plot, tf->max_seconds,
+ "CPU System Time", CPU_SYS_GRAPH_INDEX, MPSTAT_SYS);
+
+ plot->direction = PLOT_ACROSS;
+ plot_queue_depth(plot, tf->min_seconds, tf->max_seconds);
+
+ /* movie graph starts here */
+ plot->start_y_offset = orig_y_offset;
+ set_graph_size(cols - cols / graph_width_factor, rows);
+ plot->no_legend = 0;
+ plot->timeline = 0;
+ plot->direction = PLOT_DOWN;;
+
+ if (movie_style == MOVIE_SPINDLE)
+ setup_axis_spindle(plot);
+ else
+ setup_axis(plot);
+
+ svg_alloc_legend(plot, count_io_plot_types() * 2);
+
+ history = alloc_plot_history(tf);
+ history->col = i;
+
+ for (pid = 0; pid < tf->io_plots; pid++) {
+ if (tf->gdd_reads[pid])
+ plot_io_legend(plot, tf->gdd_reads[pid], prefix, " Reads");
+ if (tf->gdd_writes[pid])
+ plot_io_legend(plot, tf->gdd_writes[pid], prefix, " Writes");
+ }
+
+ batch_i = 0;
+ while (i < cols && batch_i < batch_count) {
+ for (pid = 0; pid < tf->io_plots; pid++) {
+ if (tf->gdd_reads[pid]) {
+ svg_io_graph_movie(tf->gdd_reads[pid],
+ history->read_pid_history[pid],
+ i);
+ }
+ if (tf->gdd_writes[pid]) {
+ svg_io_graph_movie(tf->gdd_writes[pid],
+ history->write_pid_history[pid],
+ i);
+ }
+ }
+ i++;
+ batch_i++;
+ }
+
+ add_history(history, &movie_history);
+
+ plot_movie_history(plot, &movie_history);
+
+ svg_write_legend(plot);
+ close_plot(plot);
+ close_plot(plot);
+
+ close_plot_file(plot);
+ }
+ free_all_plot_history(&movie_history);
+ }
+ convert_movie_files(movie_dir);
+ encode_movie(movie_dir);
+ cleanup_movie(movie_dir);
+}
+
+static void plot_latency(struct plot *plot, unsigned int min_seconds,
+ unsigned int max_seconds)
+{
+ struct trace_file *tf;
+ char *units;
+ char line[128];
+ u64 max = 0, val;
+
+ if (active_graphs[LATENCY_GRAPH_INDEX] == 0)
+ return;
+
+ if (num_traces > 1)
+ svg_alloc_legend(plot, num_traces);
+
+ list_for_each_entry(tf, &all_traces, list) {
+ val = line_graph_roll_avg_max(tf->latency_gld);
+ if (val > max)
+ max = val;
+ }
+
+ list_for_each_entry(tf, &all_traces, list)
+ tf->latency_gld->max = max;
+
+ setup_axis(plot);
+ set_plot_label(plot, "IO Latency");
+
+ tf = list_entry(all_traces.next, struct trace_file, list);
+
+ scale_line_graph_time(&max, &units);
+ sprintf(line, "latency (%ss)", units);
+ set_ylabel(plot, line);
+ set_yticks(plot, num_yticks, 0, max, "");
+ set_xticks(plot, num_xticks, min_seconds, max_seconds);
+
+ list_for_each_entry(tf, &all_traces, list) {
+ svg_line_graph(plot, tf->latency_gld, tf->line_color, 0, 0);
+ if (num_traces > 1)
+ svg_add_legend(plot, tf->label, "", tf->line_color);
+ }
+
+ if (plot->add_xlabel)
+ set_xlabel(plot, "Time (seconds)");
+ if (num_traces > 1)
+ svg_write_legend(plot);
+ close_plot(plot);
+ total_graphs_written++;
+}
+
+static void plot_iops(struct plot *plot, unsigned int min_seconds,
+ unsigned int max_seconds)
{
struct trace_file *tf;
char *units;
- u64 max = 0;
+ u64 max = 0, val;
if (active_graphs[IOPS_GRAPH_INDEX] == 0)
return;
list_for_each_entry(tf, &all_traces, list) {
- if (tf->iop_gld->max > max)
- max = tf->iop_gld->max;
+ val = line_graph_roll_avg_max(tf->iop_gld);
+ if (val > max)
+ max = val;
}
list_for_each_entry(tf, &all_traces, list)
tf->iop_gld->max = max;
-
- plot->add_xlabel = last_active_graph == IOPS_GRAPH_INDEX;
setup_axis(plot);
set_plot_label(plot, "IOPs");
if (num_traces > 1)
scale_line_graph_bytes(&max, &units, 1000);
set_ylabel(plot, "IO/s");
- set_yticks(plot, 4, 0, max, units);
- set_xticks(plot, 9, 0, seconds);
+ set_yticks(plot, num_yticks, 0, max, units);
+ set_xticks(plot, num_xticks, min_seconds, max_seconds);
list_for_each_entry(tf, &all_traces, list) {
- svg_line_graph(plot, tf->iop_gld, tf->read_color);
+ svg_line_graph(plot, tf->iop_gld, tf->line_color, 0, 0);
if (num_traces > 1)
- svg_add_legend(plot, tf->label, "", tf->read_color);
+ svg_add_legend(plot, tf->label, "", tf->line_color);
}
if (plot->add_xlabel)
svg_write_legend(plot);
close_plot(plot);
+ total_graphs_written++;
+}
+
+static void check_plot_columns(struct plot *plot, int index)
+{
+ int count;
+
+ if (columns > 1 && (total_graphs_written == 0 ||
+ total_graphs_written % columns != 0)) {
+ count = graphs_left(index);
+ if (plot->direction == PLOT_DOWN) {
+ plot->start_x_offset = 0;
+ if (count <= columns)
+ plot->add_xlabel = 1;
+ }
+ plot->direction = PLOT_ACROSS;
+
+ } else {
+ plot->direction = PLOT_DOWN;
+ if (index == last_active_graph)
+ plot->add_xlabel = 1;
+ }
+
+}
+
+enum {
+ HELP_LONG_OPT = 1,
+};
+
+char *option_string = "+F:T:t:o:l:r:O:N:d:D:pm::h:w:c:x:y:a:C:PK";
+static struct option long_options[] = {
+ {"columns", required_argument, 0, 'c'},
+ {"fio-trace", required_argument, 0, 'F'},
+ {"title", required_argument, 0, 'T'},
+ {"trace", required_argument, 0, 't'},
+ {"output", required_argument, 0, 'o'},
+ {"label", required_argument, 0, 'l'},
+ {"rolling", required_argument, 0, 'r'},
+ {"no-graph", required_argument, 0, 'N'},
+ {"only-graph", required_argument, 0, 'O'},
+ {"device", required_argument, 0, 'd'},
+ {"blktrace-destination", required_argument, 0, 'D'},
+ {"prog", no_argument, 0, 'p'},
+ {"movie", optional_argument, 0, 'm'},
+ {"codec", optional_argument, 0, 'C'},
+ {"keep-movie-svgs", no_argument, 0, 'K'},
+ {"width", required_argument, 0, 'w'},
+ {"height", required_argument, 0, 'h'},
+ {"xzoom", required_argument, 0, 'x'},
+ {"yzoom", required_argument, 0, 'y'},
+ {"io-plot-action", required_argument, 0, 'a'},
+ {"per-process-io", no_argument, 0, 'P'},
+ {"help", no_argument, 0, HELP_LONG_OPT},
+ {0, 0, 0, 0}
+};
+
+static void print_usage(void)
+{
+ fprintf(stderr, "iowatcher usage:\n"
+ "\t-d (--device): device for blktrace to trace\n"
+ "\t-D (--blktrace-destination): destination for blktrace\n"
+ "\t-t (--trace): trace file name (more than one allowed)\n"
+ "\t-F (--fio-trace): fio bandwidth trace (more than one allowed)\n"
+ "\t-l (--label): trace label in the graph\n"
+ "\t-o (--output): output file name for the SVG image or video\n"
+ "\t-p (--prog): run a program while blktrace is run\n"
+ "\t-K (--keep-movie-svgs keep svgs generated for movie mode\n"
+ "\t-m (--movie [=spindle|rect]): create IO animations\n"
+ "\t-C (--codec): ffmpeg codec. Use ffmpeg -codecs to list\n"
+ "\t-r (--rolling): number of seconds in the rolling averge\n"
+ "\t-T (--title): graph title\n"
+ "\t-N (--no-graph): skip a single graph (io, tput, latency, queue_depth, \n"
+ "\t\t\tiops, cpu-sys, cpu-io, cpu-irq cpu-soft cpu-user)\n"
+ "\t-O (--only-graph): add a single graph to the output\n"
+ "\t-h (--height): set the height of each graph\n"
+ "\t-w (--width): set the width of each graph\n"
+ "\t-c (--columns): numbers of columns in graph output\n"
+ "\t-x (--xzoom): limit processed time to min:max\n"
+ "\t-y (--yzoom): limit processed sectors to min:max\n"
+ "\t-a (--io-plot-action): plot given action (one of Q,D,C) in IO graph\n"
+ "\t-P (--per-process-io): distinguish between processes in IO graph\n"
+ );
+ exit(1);
+}
+
+static int parse_double_range(char *str, double *min, double *max)
+{
+ char *end;
+
+ /* Empty lower bound - leave original value */
+ if (str[0] != ':') {
+ *min = strtod(str, &end);
+ if (*min == HUGE_VAL || *min == -HUGE_VAL)
+ return -ERANGE;
+ if (*end != ':')
+ return -EINVAL;
+ } else
+ end = str;
+ /* Empty upper bound - leave original value */
+ if (end[1]) {
+ *max = strtod(end+1, &end);
+ if (*max == HUGE_VAL || *max == -HUGE_VAL)
+ return -ERANGE;
+ if (*end != 0)
+ return -EINVAL;
+ }
+ if (*min > *max)
+ return -EINVAL;
+ return 0;
+}
+
+static int parse_ull_range(char *str, unsigned long long *min,
+ unsigned long long *max)
+{
+ char *end;
+
+ /* Empty lower bound - leave original value */
+ if (str[0] != ':') {
+ *min = strtoull(str, &end, 10);
+ if (*min == ULLONG_MAX && errno == ERANGE)
+ return -ERANGE;
+ if (*end != ':')
+ return -EINVAL;
+ } else
+ end = str;
+ /* Empty upper bound - leave original value */
+ if (end[1]) {
+ *max = strtoull(end+1, &end, 10);
+ if (*max == ULLONG_MAX && errno == ERANGE)
+ return -ERANGE;
+ if (*end != 0)
+ return -EINVAL;
+ }
+ if (*min > *max)
+ return -EINVAL;
+ return 0;
+}
+
+static int parse_options(int ac, char **av)
+{
+ int c;
+ int disabled = 0;
+ int p_flagged = 0;
+
+ while (1) {
+ int option_index = 0;
+
+ c = getopt_long(ac, av, option_string,
+ long_options, &option_index);
+
+ if (c == -1)
+ break;
+
+ switch(c) {
+ case 'T':
+ graph_title = strdup(optarg);
+ break;
+ case 't':
+ add_trace_file(optarg);
+ set_blktrace_outfile(optarg);
+ break;
+ case 'F':
+ add_fio_trace_file(optarg);
+ break;
+ case 'o':
+ output_filename = strdup(optarg);
+ break;
+ case 'l':
+ set_trace_label(optarg);
+ break;
+ case 'r':
+ set_rolling_avg(atoi(optarg));
+ break;
+ case 'O':
+ if (!disabled) {
+ disable_all_graphs();
+ disabled = 1;
+ }
+ enable_one_graph(optarg);
+ break;
+ case 'N':
+ disable_one_graph(optarg);
+ break;
+ case 'd':
+ if (num_blktrace_devices == MAX_DEVICES_PER_TRACE - 1) {
+ fprintf(stderr, "Too many blktrace devices provided\n");
+ exit(1);
+ }
+ blktrace_devices[num_blktrace_devices++] = strdup(optarg);
+ break;
+ case 'D':
+ blktrace_dest_dir = strdup(optarg);
+ if (!strcmp(blktrace_dest_dir, "")) {
+ fprintf(stderr, "Need a directory\n");
+ print_usage();
+ }
+ break;
+ case 'p':
+ p_flagged = 1;
+ break;
+ case 'K':
+ keep_movie_svgs = 1;
+ break;
+ case 'm':
+ make_movie = 1;
+ if (optarg) {
+ movie_style = lookup_movie_style(optarg);
+ if (movie_style < 0) {
+ fprintf(stderr, "Unknown movie style %s\n", optarg);
+ print_usage();
+ }
+ }
+ fprintf(stderr, "Using movie style: %s\n",
+ movie_styles[movie_style]);
+ break;
+ case 'C':
+ ffmpeg_codec = strdup(optarg);
+ break;
+ case 'h':
+ opt_graph_height = atoi(optarg);
+ break;
+ case 'w':
+ opt_graph_width = atoi(optarg);
+ break;
+ case 'c':
+ columns = atoi(optarg);
+ break;
+ case 'x':
+ if (parse_double_range(optarg, &min_time, &max_time)
+ < 0) {
+ fprintf(stderr, "Cannot parse time range %s\n",
+ optarg);
+ exit(1);
+ }
+ break;
+ case 'y':
+ if (parse_ull_range(optarg, &min_mb, &max_mb)
+ < 0) {
+ fprintf(stderr,
+ "Cannot parse offset range %s\n",
+ optarg);
+ exit(1);
+ }
+ if (max_mb > ULLONG_MAX >> 20) {
+ fprintf(stderr,
+ "Upper range limit too big."
+ " Maximum is %llu.\n", ULLONG_MAX >> 20);
+ exit(1);
+ }
+ break;
+ case 'a':
+ if (strlen(optarg) != 1) {
+action_err:
+ fprintf(stderr, "Action must be one of Q, D, C.");
+ exit(1);
+ }
+ plot_io_action = action_char_to_num(optarg[0]);
+ if (plot_io_action < 0)
+ goto action_err;
+ break;
+ case 'P':
+ io_per_process = 1;
+ break;
+ case '?':
+ case HELP_LONG_OPT:
+ print_usage();
+ break;
+ default:
+ break;
+ }
+ }
+
+ if (optind < ac && p_flagged) {
+ prog_argv = &av[optind];
+ prog_argc = ac - optind;
+ } else if (p_flagged) {
+ fprintf(stderr, "--prog or -p given but no program specified\n");
+ exit(1);
+ } else if (optind < ac) {
+ fprintf(stderr, "Extra arguments '%s'... (and --prog not specified)\n", av[optind]);
+ exit(1);
+ }
+
+ return 0;
+}
+
+static void dest_mkdir(char *dir)
+{
+ int ret;
+
+ ret = mkdir(dir, 0777);
+ if (ret && errno != EEXIST) {
+ fprintf(stderr, "failed to mkdir error %s\n", strerror(errno));
+ exit(errno);
+ }
}
int main(int ac, char **av)
{
struct plot *plot;
- int seconds = 0;
+ unsigned int min_seconds = 0;
+ unsigned int max_seconds = 0;
u64 max_offset = 0;
- int fd;
+ u64 min_offset = ~(u64)0;
struct trace_file *tf;
int ret;
+ int rows, cols;
init_io_hash_table();
+ init_process_hash_table();
enable_all_graphs();
parse_options(ac, av);
last_active_graph = last_graph();
+ if (make_movie) {
+ set_io_graph_scale(256);
+ if (movie_style == MOVIE_SPINDLE)
+ set_graph_size(750, 550);
+ else
+ set_graph_size(700, 400);
+
+ /*
+ * the plots in the movie don't have a seconds
+ * line yet, this makes us skip it
+ */
+ last_active_graph = TOTAL_GRAPHS + 1;
+ }
+ if (opt_graph_height)
+ set_graph_height(opt_graph_height);
- if (list_empty(&all_traces)) {
+ if (opt_graph_width)
+ set_graph_width(opt_graph_width);
+
+ if (list_empty(&all_traces) && list_empty(&fio_traces)) {
fprintf(stderr, "No traces found, exiting\n");
exit(1);
}
- if (blktrace_device) {
- ret = start_blktrace(blktrace_device, blktrace_outfile,
- blktrace_dest_dir);
+ if (num_blktrace_devices) {
+ char *path = join_path(blktrace_dest_dir, blktrace_outfile);
+ dest_mkdir(blktrace_dest_dir);
+ dest_mkdir(path);
+
+ snprintf(line, line_len, "%s.dump", path);
+ unlink(line);
+
+ ret = start_blktrace(blktrace_devices, num_blktrace_devices,
+ blktrace_outfile, blktrace_dest_dir);
if (ret) {
- fprintf(stderr, "exiting due to blktrace failure\n");
- exit(1);
+ perror("Exiting due to blktrace failure");
+ exit(ret);
}
- if (program_to_run) {
- ret = run_program(program_to_run);
- if (ret) {
- fprintf(stderr, "failed to run %s\n",
- program_to_run);
- exit(1);
- }
- wait_for_tracers();
- blktrace_to_dump(blktrace_outfile);
+
+ snprintf(line, line_len, "%s.mpstat", path);
+ ret = start_mpstat(line);
+ if (ret) {
+ perror("Exiting due to mpstat failure");
+ exit(ret);
+ }
+
+ if (prog_argv && prog_argc) {
+ run_program(prog_argc, prog_argv, 1, NULL, NULL);
+ wait_for_tracers(SIGINT);
} else {
- /* no program specified, just wait for
- * blktrace to exit
- */
- wait_for_tracers();
+ printf("Tracing until interrupted...\n");
+ wait_for_tracers(0);
}
+ free(path);
}
/* step one, read all the traces */
/* step two, find the maxes for time and offset */
list_for_each_entry(tf, &all_traces, list)
- compare_max_tf(tf, &seconds, &max_offset);
+ compare_minmax_tf(tf, &max_seconds, &min_offset, &max_offset);
+ list_for_each_entry(tf, &fio_traces, list)
+ compare_minmax_tf(tf, &max_seconds, &min_offset, &max_offset);
+ min_seconds = min_time;
+ if (max_seconds > max_time)
+ max_seconds = ceil(max_time);
+ if (min_offset < min_mb << 20)
+ min_offset = min_mb << 20;
+ if (max_offset > max_mb << 20)
+ max_offset = max_mb << 20;
/* push the max we found into all the tfs */
- set_all_max_tf(seconds, max_offset);
+ set_all_minmax_tf(min_seconds, max_seconds, min_offset, max_offset);
/* alloc graphing structs for all the traces */
setup_trace_file_graphs();
/* run through all the traces and read their events */
read_trace_events();
- fd = open(output_filename, O_CREAT | O_TRUNC | O_WRONLY, 0600);
- if (fd < 0) {
- fprintf(stderr, "Unable to open output file %s %s\n",
- output_filename, strerror(errno));
- exit(1);
+ pick_line_graph_color();
+
+ plot = alloc_plot();
+
+ if (make_movie) {
+ set_legend_width(longest_label + longest_proc_name + 1 + strlen("writes"));
+ plot_io_movie(plot);
+ exit(0);
}
- write_svg_header(fd);
- plot = alloc_plot(fd);
+ set_plot_output(plot, output_filename);
- if (active_graphs[IO_GRAPH_INDEX])
- set_legend_width(longest_label + strlen("writes"));
- else if (num_traces > 1)
+ if (active_graphs[IO_GRAPH_INDEX] || found_mpstat)
+ set_legend_width(longest_label + longest_proc_name + 1 + strlen("writes"));
+ else if (num_traces >= 1 || num_fio_traces >= 1)
set_legend_width(longest_label);
else
set_legend_width(0);
+ get_graph_size(&cols, &rows);
+ if (columns > 1)
+ plot->add_xlabel = 1;
set_plot_title(plot, graph_title);
- plot_io(plot, seconds, max_offset);
- plot_tput(plot, seconds);
- plot_latency(plot, seconds);
- plot_queue_depth(plot, seconds);
- plot_iops(plot, seconds);
+ check_plot_columns(plot, IO_GRAPH_INDEX);
+ plot_io(plot, min_seconds, max_seconds, min_offset, max_offset);
+ plot->add_xlabel = 0;
+
+ if (columns > 1) {
+ set_graph_size(cols / columns, rows);
+ num_xticks /= columns;
+ if (num_xticks < 2)
+ num_xticks = 2;
+ }
+ if (rows <= 50)
+ num_yticks--;
+
+ check_plot_columns(plot, TPUT_GRAPH_INDEX);
+ plot_tput(plot, min_seconds, max_seconds, 1);
+
+ check_plot_columns(plot, FIO_GRAPH_INDEX);
+ plot_fio_tput(plot, min_seconds, max_seconds);
+
+ check_plot_columns(plot, CPU_IO_GRAPH_INDEX);
+ plot_cpu(plot, max_seconds, "CPU IO Wait Time",
+ CPU_IO_GRAPH_INDEX, MPSTAT_IO);
+
+ check_plot_columns(plot, CPU_SYS_GRAPH_INDEX);
+ plot_cpu(plot, max_seconds, "CPU System Time",
+ CPU_SYS_GRAPH_INDEX, MPSTAT_SYS);
+
+ check_plot_columns(plot, CPU_IRQ_GRAPH_INDEX);
+ plot_cpu(plot, max_seconds, "CPU IRQ Time",
+ CPU_IRQ_GRAPH_INDEX, MPSTAT_IRQ);
+
+ check_plot_columns(plot, CPU_SOFT_GRAPH_INDEX);
+ plot_cpu(plot, max_seconds, "CPU SoftIRQ Time",
+ CPU_SOFT_GRAPH_INDEX, MPSTAT_SOFT);
+
+ check_plot_columns(plot, CPU_USER_GRAPH_INDEX);
+ plot_cpu(plot, max_seconds, "CPU User Time",
+ CPU_USER_GRAPH_INDEX, MPSTAT_USER);
+
+ check_plot_columns(plot, LATENCY_GRAPH_INDEX);
+ plot_latency(plot, min_seconds, max_seconds);
+
+ check_plot_columns(plot, QUEUE_DEPTH_GRAPH_INDEX);
+ plot_queue_depth(plot, min_seconds, max_seconds);
+
+ check_plot_columns(plot, IOPS_GRAPH_INDEX);
+ plot_iops(plot, min_seconds, max_seconds);
/* once for all */
close_plot(plot);
- close(fd);
+ close_plot_file(plot);
return 0;
}
projects / blktrace.git / blobdiff